The world lost an incredible talent, but many also lost a close friend. Joaquin Phoenix and Ethan Hawke were seen visiting Philip Seymour Hoffman's family on Feb. 4, following the tragic death of the beloved actor.

Phoenix, 39, and Hawke, 43, were photographed visiting Hoffman's estranged girlfriend Mimi O'Donnell separately at her downtown Manhattan home. The "Her" actor looked worn down as he bundled up in a jacket and tried to keep a low profile in sunglasses. (Phoenix can likely relate to Hoffman's rehab stint last May for heroin abuse, as he checked himself into rehab in April 2005 for alcoholism.) Hawke was spotted walking into the building later that evening.

One day earlier, Cate Blanchett and Justin Theroux were also photographed entering the apartment to pay their respects. The 44-year-old Oscar-nominated actress was seen carrying in toys for Hoffman and O'Donnell's three children: Cooper, 10, Tallulah, 7, and Willa, 5.